单项选择题
During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi-directional communication has not been achieved?()
A.A B.B C.C D.D
During OSPF adjacency formation, in which state is a ro...
During OSPF adjacency formation, in which state is a router in when it is negotiating to be in charge of the database synchronization process?()
During OSPF adjacency formation, in which state is a router when it is sending LSA header information to its neighbor?()